Needle depth gauge



FIG. 1 is a perspective view of a needle depth gauge showing my newdesign;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof, the right side being amirror image;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is an enlarged front elevational view thereof; and,

FIG. 6 is a rear elevational view of FIG. 5.

The broken line showing of a needle in FIGS. 1 through 4 is forillustrative purposes only and forms no part of the claimed design.

The ornamental design for a needle depth gauge, as shown and described.